Retirement Plans (Tables)

6 Months Ended

Nov. 30, 2024

Retirement Plan Tables [Abstract]

Schedule of Retirement Plan Costs

Our retirement plans costs for the periods ended November 30 were as follows (in millions):

	Three Months Ended				Six Months Ended
	2024		2023		2024		2023
Defined benefit pension plans	$	70	$	91	$	140	$	182
Defined contribution plans		288		242		575		482
Postretirement healthcare plans		21		21		43		44
	$	379	$	354	$	758	$	708

Schedule of Net Periodic Benefit Cost

Net periodic benefit cost of the pension and postretirement healthcare plans for the periods ended November 30 included the following components (in millions):

	Three Months Ended
	U.S. Pension Plans						International Pension Plans						Postretirement Healthcare Plans
	2024			2023			2024			2023			2024			2023
Service cost	$	124		$	136		$	11		$	10		$	6		$	7
Other retirement plans expense (income):
Interest cost		363			340			10			12			16			14
Expected return on plan assets		(430	)		(399	)		(7	)		(7	)		—			—
Amortization of prior service credit and other		(2	)		(1	)		1			—			(1	)		—
		(69	)		(60	)		4			5			15			14
Net periodic benefit cost	$	55		$	76		$	15		$	15		$	21		$	21

	Six Months Ended
	U.S. Pension Plans						International Pension Plans						Postretirement Healthcare Plans
	2024			2023			2024			2023			2024			2023
Service cost	$	249		$	272		$	20		$	20		$	13		$	14
Other retirement plans expense (income):
Interest cost		724			681			22			22			32			30
Expected return on plan assets		(860	)		(799	)		(12	)		(11	)		—			—
Amortization of prior service credit and other		(4	)		(3	)		1			—			(2	)		—
		(140	)		(121	)		11			11			30			30
Net periodic benefit cost	$	109		$	151		$	31		$	31		$	43		$	44